JUSTIN YS CHANG
NPI 1508311754
Marriage & Family Therapist in Irvine, CA
About Justin Ys Chang NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JUSTIN YS CHANG (NPI 1508311754) is an individual marriage & family therapist in Irvine, California, licensed in California (100616) and active in the NPI registry since August 2016. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Justin Ys Chang is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Justin Chang reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Jose, CA 95113
- Reassigned Medicare billing, California enrollment
- 3,139 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Justin Chang's NPI number?
The NPI number for Justin Chang is 1508311754. It was assigned to this individual provider in the NPPES registry on August 17, 2016.
Where is Justin Chang located?
Justin Chang practices at 2160 Barranca Pkwy # 1006, Irvine, CA 92606. The listed phone number is (949) 345-0526.
What is Justin Chang's specialty?
The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.
Is Justin Chang enrolled in Medicare?
Yes. Justin Chang is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Justin Chang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Justin Chang reassigns Medicare benefits to Grow Healthcare Group PC (San Jose, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Justin Chang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Justin Chang was last updated on June 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Justin Ys Chang · NPI 1508311754
Marriage & Family Therapist provider in Irvine, California. Individual provider, active in the CMS NPPES registry since August 17, 2016.
## Identity
- **NPI:** 1508311754 (Entity type: Individual)
- **Enumerated:** August 17, 2016
- **Primary specialty:** Marriage & Family Therapist · taxonomy 106H00000X
- **State license:** 100616 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 2160 BARRANCA PKWY # 1006, Irvine, CA 92606-4940
- **Phone:** (949) 345-0526
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Grow Healthcare Group PC (NPI 1154994846, San Jose, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 24, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1508311754) · Data from the CMS NPPES public registry.